Finding the Fourth Proportional to 876,626.70, 1,314,940.05 and 856,943.70
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Solution
The fourth proportional to 876,626.70, 1,314,940.05 and 856,943.70 is: 1,285,415.55
Step by Step Solution
- Step 1: Write the proportion equation
876,626.70 : 1,314,940.05 = 856,943.70 : x - Step 2: Convert to fraction form
876,626.70/1,314,940.05 = 856,943.70/x - Step 3: Cross multiply
876,626.70x = 1,314,940.05 × 856,943.70 - Step 4: Simplify right side
876,626.70x = 1,126,829,591,725.19 - Step 5: Solve for x
x = 1,126,829,591,725.19/876,626.70 - Step 6: Final answer
x = 1,285,415.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.